Ciphering calculator in brass inscribed RSWX
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LicenseCiphering calculator in brass inscribed RSWX
Science Museum Group
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Ciphering calculator in brass inscribed RSWX
Details
- Category:
- Mathematics
- Object Number:
- 1987-533
- Materials:
- brass
- type:
- cipher machines
- credit:
- Christie's South Kensington Limited
